While underway on watch in the engine room...

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Question 1 of 205eccefa1bacbc34ba4d47324

While underway on watch in the engine room of a steam vessel, the proper valve positions for controlling feedwater to the boiler using the auxiliary feed system should be __________.

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5eccefa1bacbc34ba4d47324

While underway on watch in the engine room of a steam vessel, the proper valve positions for controlling feedwater to the boiler using the auxiliary feed system should be __________.

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🔍 Key Concepts

• Function of stop valves, check valves, and stop-check valves in boiler feed systems • Normal practice for controlling flow in a boiler feed line (what is usually left fully open vs. what is throttled) • Purpose of an auxiliary feed system and how it ties into the main feed line

💭 Think About

• Think about which valve(s) are meant mainly for isolation and protection and which are designed to be throttled for control • Consider what would happen to the boiler and feed line if a check valve—not designed for throttling—were used to regulate flow • Ask yourself where, in an auxiliary feed arrangement, you most likely want the automatic or manual control point to be located relative to the boiler

✅ Before You Answer

• Identify which valves are normally kept fully open during normal operation and not used for regulation • Confirm which valve type can safely act as a control point without risking damage or loss of protective function • Make sure the arrangement still provides backflow protection to the feed pump and lines while allowing proper control of feed flow

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Study

Question 1 of 205eccefa1bacbc34ba4d47324

While underway on watch in the engine room of a steam vessel, the proper valve positions for controlling feedwater to the boiler using the auxiliary feed system should be __________.

Back

Question 1 of 20

5eccefa1bacbc34ba4d47324

While underway on watch in the engine room of a steam vessel, the proper valve positions for controlling feedwater to the boiler using the auxiliary feed system should be __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed